consoletube

#!/bin/zsh

###############################################################################
#
# Consoletube, a command-line YouTube client that uses VLC as its backend.    
#  
# Dependencies : Lynx, **Latest** version of VLC
#
# Usage : consoletube [-c|-n] [Search query]
#         consoletube [-p] [Youtube playlist URL]
#
# Run `consoletube -h` for help
#
# http://bogh.us/code/consoletube/
#
###############################################################################


# Define the VLC binary to use by default
vlcbin=$(which vlc)

# Function to collect YouTube video URLs and pipe them to VLC
# Will execute this at the end of script
function ytProcess {
    lynx -dump "$ytURL" | \
        sed -n '/^References$/,$p' | \
        grep -E '[[:digit:]]+\.' | \
        awk '{print $2}' | \
        grep "watch?" | \
        grep -E -v "&feature=(results|fvs[tr]|plpp(_play_all|&context))" | \
        uniq | \
        tr '\n' ' ' | \
        xargs ${vlcbin}

    exit 0
}

# Various command-line options
if [ $# -ge 1 ] ; then
  case "$1" in
	# Use VLC's curses interface. Useful if you don't have X11 running.
	# Doesn't display video and is kinda buggy.
	-c) vlcbin="$(which nvlc) --nocolor --novideo"
	    shift
	    ;;
	# Don't display video - saves CPU cycles
	-n) vlcbin="$(which vlc) --novideo"
       	    shift
	    ;;
    	# Use a premade YouTube playlist or user feed instead of keywords
	-p) ytURL="$2"
            ytProcess
            ;;
	# Use Youtube playlist, no video
	-np|-pn) vlcbin="$(which vlc) --novideo"
       	    ytURL="$2"
            ytProcess
   	    ;;
	# Use Youtube playlist, Curses interface
	-cp|-pc) vlcbin="$(which nvlc) --nocolor --novideo"
            ytURL="$2"
            ytProcess
            ;;
	# Display help message
	-h|--help) echo "Usage: $0 [-c|-n] [Search query]"
		   echo " -n		use default VLC interface, no video"
		   echo " -c		use VLC's Curses interface [BUGGY!], no video"
       		   echo " -p            Play a YouTube playlist or user feed instead of a search string"
           	   echo " -pn           Play Youtube playlist, no video"
           	   echo " -pc           Play Youtube playlist, Curses interface"
		   echo " -h, --help	print this help message"  >&2; exit 1
  esac
fi

# Input keywords. Prompt the user if no keywords provided in the command.
if [ "$1" ]; then
	keyWords="$*"
else
	echo "Enter keywords:"
	read keyWords
	if [ keyWords == "" ]; then
		echo "Please enter keyword(s)"
		exit 1
	fi
fi

# Youtube URL to use. This URL will be used with the keywords
# unless the '-p' (playlist) option was supplied
ytURL="http://youtube.com/results?search_query=$keyWords"

# Execute the function we made at the beginning
ytProcess